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Finding the Fourth Proportional to 7,367.66, 11,046.63 and 2,979.98

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Solution

The fourth proportional to 7,367.66, 11,046.63 and 2,979.98 is: 4,468.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,367.66 : 11,046.63 = 2,979.98 : x
  2. Step 2: Convert to fraction form
    7,367.66/11,046.63 = 2,979.98/x
  3. Step 3: Cross multiply
    7,367.66x = 11,046.63 × 2,979.98
  4. Step 4: Simplify right side
    7,367.66x = 32,918,736.47
  5. Step 5: Solve for x
    x = 32,918,736.47/7,367.66
  6. Step 6: Final answer
    x = 4,468.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.